1927-1940:
In NDL's Europe-Far East service including visits to Australia and New Zealand.

6 August 1933:
Gulf of Aden. Runs aground 8 nautical miles E of Ras al Ara (12-36N, 43-55E). Refloated by throwing part of the cargo over board and by the assistance of a salvage tug. Despite the grounding, the ship´s hull sustains no damage at all.

2 November 1942:
Tokyo. MOSEL is officially confiscated by the German Government and placed at the disposal of the German naval attaché, Vizeadmiral Paul Wennecker (former CO of Panzerschiff DEUTSCHLAND/LÜTZOW) and Deutscher Admiral Ostasien (German Admiral, East Asia) who time-charters the ship to the Japanese Government´s wholly owned Teikoku Senpaku K.K. (Imperial Steamship Co.), Tokyo.

Renamed TEIZUI MARU and assigned signal letters JGCR, port of registry is now Tokyo. Thereafter, TEIZUI MARU is entrusted to Daido Kaiun K.K., Kobe for operation. The same month, control of the ship is transferred to Senpaku Uneikai (Shipping Control Authority).

4 July 1943:
Departs Kushimoto in convoy 8705A also consisting of YAMAZURU MARU and one unidentified ship escorted by minelayer NARYU. En route to Yuranai TEIZUI MARU breaks down and is detached from the convoy.

12 October 1943:
At 1000 departs Miike.

15 October 1943:
At 1900 due to arrive at Kirun.

21 October 1943:
Due to depart Kirun for Moji.

2 March 1944:
At 1300 arrives at Kirun from Naha.

20 March 1944:
At 0600 departs Kirun for Mutsure.

22 March 1944:
ENE of Okinawa between Oshima and Amami Oshima. At 1350 (I), lookouts aboard LtCdr (later Vice Admiral) Arnold F. Schade’s (USNA ’33) USS GROWLER (SS-215) spot what is taken to be an unescorted cargo ship of about 3,000 tons. At 1443 (I), fires four stern torpedoes at TEIZUI MARU that miss in an unsuccessful attack at 27-55N, 129-15E. Two previously unseen “patrol boats” counterattack with DCs, but Schade evades. At 1700 (I), USS GROWLER comes to periscope depth and spots four escorts, but Schade takes USS GROWLER out of harm’s way.

19 March 1945:
Osaka. Sustains further light damage from a B-29 attack.

13 April 1945:
At 1000 (JST), departs Dairen for Kobe.

18 April 1945:
Off Yawata, Japan.
At 1535 (JST), TEIZUI MARU strikes a mine laid by USAAF 20th Air Force B-29 bombers 200 meters outside No. 1 Swept Channel in the Western entrance to Shimonoseki Stait at about 34-05N-130-50E. The mine explodes between holds No. 4 and No 5. Water floods into the engine and boiler rooms and cannot be stopped with bilge pumps. Therefore, ship is beached in a small bay at Kamo-Shima, at the entrance to Yoshimi harbor, Yamaguchi Prefecture. No casualties are sustained. Prospects for salvaging the ship and cargo appear good, but due to rapidly deteriorating war situation TEIZUI MARU is finally given up and abandoned.

August 1945: Cessation of Hostilties:
Surrendered to the Allies still grounded and abandoned.

December 1945:
An official survey of operable or salvable Japanese Merchant Vessels lists TEIZUI MARU still grounded by mine off Yoshimi with salvability undetermined. Nevertheless, TEIZUI MARU receives SCAJAP designation T045.